Finding the Fourth Proportional to 21,093.48, 31,642.58 and 7,055.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,093.48 : 31,642.58 = 7,055.37 : x
2. Step 2: Convert to fraction form
   21,093.48/31,642.58 = 7,055.37/x
3. Step 3: Cross multiply
   21,093.48x = 31,642.58 × 7,055.37
4. Step 4: Simplify right side
   21,093.48x = 223,250,127.29
5. Step 5: Solve for x
   x = 223,250,127.29/21,093.48
6. Step 6: Final answer
   x = 10,583.85